﻿using System;

class PrintSum
{
    static void Main()
    {
        int number;
        int sum = 0;
        Console.WriteLine("This program sum up three numbers");
        for (int i = 0; i < 3; i++)
        {
            Console.Write("Enter number: ");
            number = int.Parse(Console.ReadLine());
            sum += number;
        }
        Console.WriteLine("The sum is: {0}", sum);
    }
}

